CVE-2026-19292
Bluetooth re-pairing with legitimate device can use lower security level
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
Re-pairing with a legitimate device can use a lower security level than previous making brute-forcing the LTK easier. See V4 in the BLERP paper linked below.
| CWE | CWE-305 |
| Vendor | silabs.com |
| Product | wiseconnect |
| Published | Aug 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
silabs.com / WiseConnect
4.0.0 < 4.1.0 2.0.0 < 2.14.0
References
docs.silabs.com: https://docs.silabs.com/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisdk-wifible-ble-release-notes docs.silabs.com: https://docs.silabs.com/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116-ble-release-notes#bug-fixes community.silabs.com: https://community.silabs.com/068Vm00000x0yyH ndss-symposium.org: https://www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defenses/